10th Dec '25

Multiple Choice 2015-16

Question	Answer	Point
Which part of the magnet is the strongest?	magnetic poles, attraction and repulsion	Magnets are strongest on their ends.
What are the ends of a magnet called?	The ends are called magnetic poles.	The ends are called magnetic poles.
How do the poles of a magnet interact?	Opposite poles attract and similar poles repel.	Opposite poles attract and similar poles repel.
How can magnets be made by using another magnet?	Magnets can be made by stroking an magnetic material in the same direction with the same pole on a magnet.	Magnets can be made by stroking an magnetic material in the same direction with the same pole.
Why do magnetic materials become magnetic?	Magnetic materials become magnetic when the domains inside are lined up in the same direction.	Magnetic materials become magnetic when the domains inside are lined up in the same direction.
What is a magnetic domain?	Magnetic domains are small regions within the material that act like a magnet.	Magnetic domains are small regions within the material that act like a magnet.
How are magnetic domains created?	Domains are created by the spinning electrons in particles	Domains are created by the spinning electrons in particles.
What is a magnetic field?	The area around a magnet in which a magnetic object experiences a force is called a magnetic field.	The area around a magnet in which a magnetic object experiences a force is called a magnetic field.
What does the shape of a magnetic field depend on?	magnetic fields by plotting with compass, representation by field lines	The magnetic field has a shape based on the shape of the magnet and the magnetic objects abound it.
How do we represent magnetic fields in drawings?	Magnetic fields are represented by field lines.	Magnetic fields are represented by field lines.
Where are the magnetic fields usually the strongest?	The magnetic field is strongest where magnetic field lines are closest together (normally the poles).	The magnetic field is strongest where magnetic field lines are closest together (normally the poles).
How can we plot magnetic field lines?	Magnetic field lines can be plotted with a compass.	Magnetic field lines can be plotted with a compass.
Which direction do magnetic field lines flow?	Magnetic field lines flow from North to South poles outside a magnet.	Magnetic field lines flow from North to South poles outside a magnet.
What shape is the Earth's magnetic field?	Earth's magnetism, compass and navigation	The Earth has a magnetic field with a similar shape to that of a bar magnet.
What is the Earth's magnetic field caused by?	The Earth's has a magnet field is caused by the spinning of Iron and Nickel core.	The Earth's has a magnet field is caused by the spinning of Iron and Nickel core.
How do compasses work?	The Earth's magnetic field will produce a force on compass needle, aligning the needle with the Earth's field and navigation	The Earth's magnetic field will produce a force on compass needle, aligning the needle with the Earth's field and navigation
How do magnetic materials affect the location of magnetic field lines?	Magnetism flows more easily through a magnetic material and so magnetic materials change the location of magnetic field lines.	Magnetism flows more easily through a magnetic material and so magnetic materials change the location of magnetic field lines.
How do objects become charged?	Objects can become charged when objects are rubbed together.	Objects can become charged when objects are rubbed together.
What do objects with the same charge do to each other?	Objects charged in the same way repel each other.	Objects charged in the same way repel each other.
What do objects with opposite charges do to each other?	Objects used to charge each other will attract each other.	Objects used to charge each other will attract each other.
What causes a negative charge?	The negative charges which are transferred are electrons.	The negative charges which are transferred are electrons.
What forces occur between charged objects?	There are electrostatic forces between charged objects.	There are electrostatic forces between charged objects.
Why is it that electrons can be transferred by protons can't?	Electrons are able to be transferred because they are on the outer edge of an atom.	DESIRABLE: Electrons are able to be transferred because they are on the outer edge of an atom.
What is an electric field?	The area around a charged object in which a charged object experiences a force is called a electrical field.	The area around a charged object in which a charged object experiences a force is called a electrical field.
How do we represent electrical fields?	Electrical fields are represented by field lines.	Electrical fields are represented by field lines.

Mod	Number of Questions
0S	10
1B	10
1C	10
1P	10
BI	5